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--- xnu/xnu-12377.101.15/tests/kqworkloop_limits_client.c
+++ /dev/null
@@ -1,161 +0,0 @@
-#include <stdio.h>
-#include <mach/mach.h>
-#include <mach/message.h>
-#include <unistd.h>
-#include <assert.h>
-#include <string.h>
-#include <stdlib.h>
-#include <bootstrap.h>
-#include <fcntl.h>
-#include <sys/errno.h>
-#include <sys/resource.h>
-#include <dispatch/dispatch.h>
-
-static int
-connect_to_server(void);
-
-typedef struct {
- mach_msg_header_t header;
- mach_msg_body_t body;
- mach_msg_port_descriptor_t port_descriptor;
- mach_msg_trailer_t trailer; // subtract this when sending
-} ipc_complex_message;
-
-static ipc_complex_message icm_request = {};
-
-struct args {
- const char *progname;
- int verbose;
- int voucher;
- int num_msgs;
- const char *server_port_name;
- mach_port_t server_port;
- mach_port_t reply_port;
- int request_msg_size;
- void *request_msg;
- int reply_msg_size;
- void *reply_msg;
- uint32_t persona_id;
- long client_pid;
-};
-
-static void
-parse_args(struct args *args)
-{
- args->verbose = 0;
- args->voucher = 0;
- args->server_port_name = "TEST_KQWORKLOOP_LIMITS";
- args->server_port = MACH_PORT_NULL;
- args->reply_port = MACH_PORT_NULL;
- args->num_msgs = 1;
- args->request_msg_size = sizeof(ipc_complex_message) - sizeof(mach_msg_trailer_t);
- args->reply_msg_size = sizeof(ipc_complex_message) - sizeof(mach_msg_trailer_t);
- args->request_msg = &icm_request;
- args->reply_msg = NULL;
- args->client_pid = getpid();
-}
-
-static int
-connect_to_server(void)
-{
- struct args client_args = {};
- parse_args(&client_args);
-
- /* Find the bootstrap port */
- mach_port_t bsport;
- kern_return_t ret = task_get_bootstrap_port(mach_task_self(), &bsport);
- if (ret) {
- mach_error("client: task_get_bootstrap_port()", ret);
- exit(1);
- }
-
- printf("client: Look up bootstrap service port\n");
- ret = bootstrap_look_up(bsport, client_args.server_port_name,
- &client_args.server_port);
- if (ret) {
- mach_error("client: bootstrap_look_up()", ret);
- exit(1);
- }
-
- printf("client: Set service port as the resource notify port\n");
- ret = task_set_special_port(mach_task_self(), TASK_RESOURCE_NOTIFY_PORT, client_args.server_port);
- if (ret) {
- mach_error("client: task_set_special_port()", ret);
- exit(1);
- }
-
- return 0;
-}
-
-int
-main(int argc, char *argv[])
-{
- int fd = 0;
- int soft_limit = 0;
- int hard_limit = 0;
- int test_num = 0;
- int ret = 0;
- if (argc == 4) {
- soft_limit = atoi(argv[1]);
- hard_limit = atoi(argv[2]);
- test_num = atoi(argv[3]);
- } else {
- printf("Usage: ./kqworkloop_limits_client <soft limit> <hard limit> <test_num>\n");
- goto fail_and_exit;
- }
-
- printf("client: soft limit = %d, hard limit = %d, test_num = %d\n", soft_limit, hard_limit, test_num);
-
- // Connect to the server first before then spawning kqworkloops to hit the
- // limits
- if (test_num == 2) {
- ret = connect_to_server();
- if (ret) {
- goto fail_and_exit;
- }
- }
-
-
- printf("client: Starting the kqworkloop allocation loop\n");
- int i = 0;
- while (ret == 0) {
- /* Only hang 10 kqworkloops off of a single port */
- mach_port_t port;
- kern_return_t kr = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &port);
- assert(kr == KERN_SUCCESS);
-
- for (int j = 0; j < 10; j++) {
- /* Allocate a kqworkloop */
- dispatch_queue_t dq = dispatch_queue_create("leaked queue", DISPATCH_QUEUE_SERIAL);
- dispatch_source_t ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_MACH_RECV, port, 0, dq);
- dispatch_source_set_event_handler(ds, ^{
- printf("Received a message on port");
- });
- dispatch_activate(ds);
- dispatch_release(dq);
-
- if ((i % 20) == 0) {
- /* Print the sources in the multiple of 20 */
- printf("client: Allocating source #%d\n", i);
- sleep(1);
- }
-
- if (i == soft_limit) {
- printf("client: Hit the soft limit \n");
- if (!hard_limit) {
- exit(0);
- }
- }
-
- if (hard_limit && i == hard_limit) {
- printf("client: Hit the hard limit\n");
- pause();
- }
-
- i++;
- }
- }
-
-fail_and_exit:
- exit(91);
-}